Sewing machine



FIG. 1 is a front perspective view of a sewing machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an elevational view looking from the left of FIG. 2;

FIG. 5 is an elevational view looking from the right of FIG. 2;

FIG. 6 is a rear elevational view;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view showing a modified form of my new design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a front perspective view showing another modified form of my new design;

FIG. 12 is a front elevational view thereof; and,

FIG. 13 is a top plan view thereof.

The sides, rear and bottom of the modified forms of FIGS. 8 and 11 have the same appearance as the respective sides, rear and _bottom seen in FIGS. 4, 5, 6 and 7. 

The ornamental design for a sewing machine, substantially as shown and described. 